Simple Definition of impassable

from our Learner's Dictionary

impassable

adjective

ɪmˈpæsəbəl How to pronounce impassable (audio)
: impossible to pass, cross, or travel over
The roads were made impassable by the flood/snow.

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“Impassable.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/impassable. Accessed 14 Apr. 2026.

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